Underfolio

Every trading day › 1999

The stock market on October 4, 1999

October 4, 1999, a Monday. The S&P 500 rose 1.70% to close at 1304.60. Of 6,752 US stocks that traded, 3,044 rose and 2,673 fell.

The S&P 500+1.70%closed at 1304.60
How big a move#2,367of 24,799 trading days since 1928
$100 in the index since$591price only, to September 24, 2026
Stocks that rose3,044of 6,752; 2,673 fell
Biggest companyMicrosoftby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Rcn Corporation (RCNC)+20.1%
Internap Network (INAP)+13.4%
Global Telesystm (GTS)+12.8%

Biggest falls among the 500 largest companies

Mattel (MAT)-29.6%
Gemstar-Tv Guide Intl Inc (GMST)-8.9%
Galileo International Inc (GLC)-8.5%

Stock moves count dividends; the index is price only. Market values after 2024 are estimates.

‹ October 1, 1999 · Every October 4 · October 5, 1999 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.